🔸Ultra-low power 🔸SMS backup 🔸 TCP / UDP IP network protocol🔸Standard DB9 RS232 / 485 / TTL communication interface🔸OEM
👉 Ultra-low power, Suitable for multi occasions
👉 Data transparent transmission
👉 Standard communication interfaces in common use
👉 SMS backup, ensure data security
👉 Customized services are available
